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    • 2. 发明授权
    • Self-leveling high heat transfer mold
    • 自流平高传热模具
    • US06942477B2
    • 2005-09-13
    • US10334603
    • 2002-12-31
    • Douglas Bruce WoodMichael John William Gregg
    • Douglas Bruce WoodMichael John William Gregg
    • B29C33/04B29D29/00
    • B29D29/00B29C33/04
    • A mold for sequentially curing sections of a belt includes two end zones, a center zone, and transition zones between each end zone and the center zone. The mold is heated and/or cooled by heat transfer fluid flowing from intake manifolds through heat transfer cavities. The intake manifolds are preferably arranged perpendicular to the mold length. In the end zones and in the center zone, the heat transfer cavities are arranged substantially parallel to the length of the mold. The arrangement of the heat transfer cavities provides for a more controlled cure of the belt by allowing the center zone to maintain a consistent temperature throughout the center zone while allowing a cooler consistent temperature to be maintained in the end zones. The transition zones allow a steep temperature gradient from the cooler end zones to the hotter center zone. Heat transfer rates are adjustable without modification to the body of the mold.
    • 用于顺序固化带的部分的模具包括两个端部区域,中心区域和在每个端部区域和中心区域之间的过渡区域。 通过从进气歧管通过传热腔流动的传热流体来加热和/或冷却模具。 进气歧管优选地垂直于模具长度布置。 在端部区域和中心区域中,传热空腔基本上平行于模具的长度布置。 传热腔的布置通过允许中心区域在整个中心区域保持一致的温度同时允许在端部区域中保持更冷的一致的温度来提供带的更受控制的固化。 过渡区允许从较冷端区到较热中心区的陡峭温度梯度。 传热速率可以在不改变模具主体的情况下进行调节。
    • 3. 发明授权
    • Dynamic pitch correction in press cured power transmission belts
    • 压力机动力传动带动态沥青修正
    • US06921447B2
    • 2005-07-26
    • US10334612
    • 2002-12-31
    • Douglas Bruce Wood
    • Douglas Bruce Wood
    • B29D29/08B29C35/02
    • B29D29/08B29L2031/7094
    • A method for manufacturing a cured, toothed belt is carried out upon a on a belt-making machine. The method includes incrementally molding sections of the belt with tooth spacing based on an estimated pitch circumference derived from a measured inside circumference, defining and measuring a length of a remaining uncured portion of the belt, the length of the remaining uncured portion of the belt being compared to a design length, a difference between the length of the remaining uncured portion of the belt and the design length being an error; and, adjusting a distance between a centerline of the first drum and the second drum, so that a compensating error is evenly distributed over the remaining uncured portion of the belt. One advantage of this invention is that the cumulative error generated by measuring and curing each section of the belt in an “end to end” manner can be compensated by small adjustments made over a large section of the belt, preventing a large error in the last section of the belt.
    • 固化的齿形带的制造方法在制带机上进行。 该方法包括基于从测量的内周衍生的估计节距周长来逐步模制带的齿形部分,限定和测量带的剩余未固化部分的长度,带的剩余未固化部分的长度为 与设计长度相比,带的剩余未固化部分的长度与设计长度之间的差为误差; 并且调整第一滚筒的中心线和第二滚筒之间的距离,使得补偿误差均匀分布在带的剩余未固化部分上。 本发明的一个优点是通过以“端到端”的方式测量和固化皮带的每个部分产生的累积误差可以通过在皮带的大部分上进行的小的调整来补偿,从而防止最后的大的误差 皮带部分。
    • 5. 发明申请
    • ELASTOMERIC COMPOUND
    • 弹性体
    • US20100247787A1
    • 2010-09-30
    • US12797684
    • 2010-06-10
    • Douglas Bruce WoodThomas George Burrowes
    • Douglas Bruce WoodThomas George Burrowes
    • B05D3/02
    • F16G1/28C08L21/00C08L23/16C08L23/30C08L2205/02F16G5/06C08L2666/06
    • The subject invention reveals a method for preparing a coated fabric which comprises (I) applying a vulcanizable elastomer composition to a layer of fabric, wherein the vulcanizable elastomer composition is made by: (1) mixing a cross-linkable functionalized polyethylene with at least one cross-linkable liquid elastomer to form a non-reactive extrudant, wherein the mixing occurs at a temperature in the range of 10° F. above or below the melt point of the cross-linkable functionalized polyethylene, and wherein the non-reactive extrudant contains from 20 to 80 pph of the cross-linkable liquid elastomer, (2) extruding the non-reactive extrudant, and (3) mixing the extrudent with at least one curing agent, wherein the mixing is sufficient to form the vulcanizable elastomer which has a complex dynamic viscosity of less than 5 McP (5,000 N*s/m2) for at least 2 minutes at a maximum flow temperature; and (II) heating the layer of fabric having the vulcanizable elastomer applied thereto to a temperature which is within the range of 200° F. to 310° F. for at least 2 minutes to produce the coated fabric.
    • 本发明揭示了一种制备涂布织物的方法,其包括(I)将可硫化弹性体组合物施加到织物层上,其中可硫化弹性体组合物通过以下制备:(1)将可交联的官能化聚乙烯与至少一种 可交联的液体弹性体以形成非反应性挤出物,其中混合在高于或低于可交联官能化聚乙烯的熔点的10°F范围内的温度下进行,并且其中非反应性挤出物含有 20至80pph的可交联液体弹性体,(2)挤出非反应性挤出物,和(3)将挤出物与至少一种固化剂混合,其中混合物足以形成可硫化弹性体 在最大流动温度下复合动力粘度小于5McP(5,000N * s / m2)至少2分钟; 和(II)将具有施加到其上的可硫化弹性体的织物层加热至200°F至310°F范围内的温度至少2分钟以制备涂布织物。
    • 6. 发明授权
    • Elastomeric compound
    • 弹性体化合物
    • US07842354B2
    • 2010-11-30
    • US12797684
    • 2010-06-10
    • Douglas Bruce WoodThomas George Burrowes
    • Douglas Bruce WoodThomas George Burrowes
    • B29C71/02B05D3/02
    • F16G1/28C08L21/00C08L23/16C08L23/30C08L2205/02F16G5/06C08L2666/06
    • The subject invention reveals a method for preparing a coated fabric which comprises (I) applying a vulcanizable elastomer composition to a layer of fabric, wherein the vulcanizable elastomer composition is made by: (1) mixing a cross-linkable functionalized polyethylene with at least one cross-linkable liquid elastomer to form a non-reactive extrudant, wherein the mixing occurs at a temperature in the range of 10° F. above or below the melt point of the cross-linkable functionalized polyethylene, and wherein the non-reactive extrudant contains from 20 to 80 pph of the cross-linkable liquid elastomer, (2) extruding the non-reactive extrudant, and (3) mixing the extrudent with at least one curing agent, wherein the mixing is sufficient to form the vulcanizable elastomer which has a complex dynamic viscosity of less than 5 McP (5,000 N*s/m2) for at least 2 minutes at a maximum flow temperature; and (II) heating the layer of fabric having the vulcanizable elastomer applied thereto to a temperature which is within the range of 200° F. to 310° F. for at least 2 minutes to produce the coated fabric.
    • 本发明揭示了一种制备涂布织物的方法,其包括(I)将可硫化弹性体组合物施加到织物层上,其中可硫化弹性体组合物通过以下制备:(1)将可交联的官能化聚乙烯与至少一种 可交联的液体弹性体以形成非反应性挤出物,其中混合在高于或低于可交联官能化聚乙烯的熔点的10°F范围内的温度下进行,并且其中非反应性挤出物含有 20至80pph的可交联液体弹性体,(2)挤出非反应性挤出物,和(3)将挤出物与至少一种固化剂混合,其中混合物足以形成可硫化弹性体 在最大流动温度下复合动力粘度小于5McP(5,000N * s / m2)至少2分钟; 和(II)将具有施加到其上的可硫化弹性体的织物层加热至200°F至310°F范围内的温度至少2分钟以制备涂布织物。
    • 9. 发明授权
    • Tooth shear resistant power transmission belt
    • 齿轮剪切力传动皮带
    • US07217210B2
    • 2007-05-15
    • US10811254
    • 2004-03-26
    • Douglas Bruce Wood
    • Douglas Bruce Wood
    • F16G5/10
    • F16G1/28F16G1/08F16G1/16
    • A belt has a plurality of spaced apart teeth, at least one tensile cord extending along the belt spaced from the teeth, and a tooth stock material filling the teeth and encapsulating the tensile cord. A reinforcement cord is incorporated into the belt to generally follow along the tensile cord, the reinforcement cord having at least one overlay portion passing over the tensile cord and at least one loop portion extending down into a tooth to connect and secure the tooth to the tensile cord, whereby reinforcing the tooth against a separation from the belt due to shear forces.
    • 皮带具有多个间隔开的齿,至少一根沿着与牙齿间隔开的皮带延伸的张力线,以及填充牙齿并封住拉伸绳的齿条材料。 增强帘线结合到带中以通常沿着拉伸绳索,增强帘线具有穿过拉伸绳索的至少一个覆盖部分和向下延伸到牙齿中的至少一个环部分,以将牙齿连接并固定到拉伸 从而由于剪切力而使齿抵抗与皮带的分离而加强齿。
    • 10. 发明授权
    • Tracking means for precision cord length on two drums
    • 跟踪装置,用于在两个鼓上精确的绳索长度
    • US06843444B2
    • 2005-01-18
    • US10329005
    • 2002-12-24
    • Douglas Bruce Wood
    • Douglas Bruce Wood
    • B29D29/00B65H18/08
    • B29D29/00
    • Method and apparatus for dynamic tracking of a belt as it is built on two rotatable drums separated by a center-to-center distance, especially during the cording process. In one embodiment, both edges of a belt component are temporarily equipped with corded edge binding which is engaged in a gap formed between upper and lower tracking wheels to provide proper alignment of the belt during the cording process and subsequent building steps. In a first tracking assembly, one pair of tracking wheels operates to constrain and align one edge of the belt and another pair, transversely spaced from the first pair, operates to constrain and align the second edge of the belt in the upper span of the belt immediately prior to the belt being positioned on a first drum. In each wheel pair, the axes are biased toward one another and slightly biased in the direction of travel of the belt. A second tracking assembly is positioned to constrain and align the belt immediately prior to the second drum in the lower span of the belt.
    • 一种用于动态跟踪皮带的方法和装置,因为它构建在由中心到中心距离分开的两个可旋转鼓上,特别是在缠绕过程中。 在一个实施例中,皮带组件的两个边缘都临时装备有线边缘装订,其接合在上跟踪轮和下跟踪轮之间形成的间隙中,以在绳索过程中和随后的建筑步骤中提供带的适当对准。 在第一跟踪组件中,一对跟踪轮操作以约束和对准带的一个边缘,并且与第一对横向间隔开的另一对操作以在皮带的上跨度中约束和对准带的第二边缘 紧接在皮带被定位在第一滚筒之前。 在每个车轮对中,轴彼此偏置并沿着带的行进方向稍微偏置。 第二跟踪组件被定位成在皮带的下跨度中紧邻第二滚筒之前约束和对准皮带。